The probiotic live yeast Saccharomyces cerevisiae boulardii CNCM I-1079. It is registered and authorized in the European Union as a gut flora stabilizer under the zootechnical feed additives category and is available in many other countries outside the EU



The Saccharomyces cerevisiae var. boulardii has been used in human medicine for more than 50 years and is therefore very well documented with more than 300 available scientific publications.

LEVUCELL® SB has been used in animal feeding for more than 20 years and has widely shown its benefits on gut function thanks to unique properties on microbiota regulation, but also by improving intestinal structure and animals' natural defenses.


LEVUCELL® SB feed supplementation should be used all along the gestation and lactation period at the recommended dose. It can be used also in late gestation and lactation only with an adapted supplementation protocol.

When used for post-weaning piglets, LEVUCELL® SB supplemented at the recommended technical dosage in pre-starter and starter feed.

Available in different formulations

  • LEVUCELL® SB 20: Concentrated formulation adapted for non-pelleted / mash feed type applications
  • LEVUCELL® SB TITAN: Micro-encapsulated formulation adapted for pelleted feed type applications